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Compression tester adapter

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Old Oct 16, 2023 | 09:05 PM
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Compression tester adapter
Does anyone know what tread size the spark plug holes are on a 04 5.4l 2v engine? Want to do a compression test but do not know what adapter size I need. Thanks
 
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Old Oct 17, 2023 | 03:39 PM
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Should be the standard 14mm threads. Forget if it's 1.25mm or 1.5MM pitch off the top of my head.



 
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